高二英语it用法公开课精品课件图文

YesterdayOnceMore CarpentersWhenIwasyoungIdlistentotheradioWaitingformyfavoritesongsWhentheyplayedIdsingalong_mademesmileThoseweresuchhappytimesandnotsolongagoHowIwonderwheretheydgoneButtheyrebackagainjustlikealonglostfriendAllthesongsIlovesowellEveryshalalalaeverywowostillshineEveryshingalingalingthattheyrestartingtosingsofineWhentheygettothepartwherehesbreakingherheart_canreallymakemecryjustlikebeforeItsyesterdayoncemoreLookingbackonhow_wasinyearsgonebyAndthegoodtimethatIhadMakestodayseemrathersadsomuchhaschanged_songsoflove_IwouldsingtothemAndIdmemorizeeachwordThoseoldmelodiesstillsoundsogoodtomeAstheymelttheyearsawayEveryshalalalaeverywowostillshineEveryshingalingalingthattheyrestartingtosingsofineAllmybestmemoriesComebackclearlytomeSomecanevenmakemecryJustlikebefore_WhenIwasyoungIdlistentotheradio WaitingformyfavoritesongsWhentheyplayedIdsingalong_mademesmileThoseweresuchhappytimesandnotsolongagoHowIwonderwheretheydgoneButtheyrebackagainjustlikealonglostfriendAllthesongsIlovesowellEveryshalalalaeverywowostillshineEveryshingalingalingthattheyrestartingtosingsofineWhentheygettothepartwherehesbreakingherheart_canreallymakemecryjustlikebeforeItsyesterdayoncemore thekeysititLookingbackonhow_wasinyearsgonebyAndthegoodtimethatIhadMakestodayseemrathersadsomuchhaschanged_songsoflove_IwouldsingtothemAndIdmemorizeeachwordThoseoldmelodiesstillsoundsogoodtomeAstheymelttheyearsawayEveryshalalalaeverywowostillshineEveryshingalingalingthattheyrestartingtosingsofineAllmybestmemoriesComebackclearlytomeSomecanevenmakemecryJustlikebefore_itItwasthatItsyesterdayoncemore The use of“it”by Markby MarkGrammarIt用法用法归纳一、人称代一、人称代词和非人称代和非人称代词指代指代二、引二、引导词形式主形式主语和和宾语三、三、强调句句四、四、特殊句式特殊句式Guess:Whatdoesitrefertointhefollowingsentences?Lookatthepicture._isapictureofourschool.It一、一、1.用作人称代词用作人称代词,代表前面提到的人代表前面提到的人或事物或事物.Mypenismissing.Icantfind_anywhere.it2、可以用来指、可以用来指动物、物、婴儿和未确定身份的人儿和未确定身份的人。Whoisit?Itslovely.Itweighsonly3kilos.-Is this jacket yours?-Yes,_ is.3.用于代替指示代词用于代替指示代词this和和that。itItisChristmastoday.Itissnowingheavily.ItisnotfarfromShiyantoYunxian.4.用以表示时间、距离、天气、季节、环境等用以表示时间、距离、天气、季节、环境等.1).Its10:08.2)Its only half an hours walk from here to our school.3)It is sunny today,isnt it?4)Its spring now.5)Its quiet here.Time Distance Weather Season Circumstance（环境环境）1.Dongfeng High School is beautiful and I love it.3.Whats that?It is a desk.4.It is eight oclock.代替前文代替前文出现名词出现名词代替指示代词代替指示代词泛指泛指(时间，距离，天时间，距离，天气，度量，温度等气，度量，温度等)2.-Who is knocking at the door?-It might be Tom.总结：作代词代替不明身份代替不明身份的人的人高考再现高考再现 Heaskedhisteacher,“Sir,thewaterisawful.Whydidyoupretendedtolike_?”(2010年广东高考语法填空题年广东高考语法填空题)it 1.形式主语二、作引导词2）Itisnousecryingoverspiltmilk.3）Itisamazingthathemadesuchamistake.1）Itiseasiertosaythantodo.模仿造句2.嘲笑别人是不好的。嘲笑别人是不好的。3.据说他已经通过了考试。据说他已经通过了考试。1.学习英语很有意思。学习英语很有意思。代替代替todosth./doingsth./从句从句Itisnogoodlaughingatothers.Itissaidthathehaspassedtheexam.ItisinterestingtostudyEnglish.possibleItis/was+adj.necessary+(forsb.)todosth./clauseimportantonesdutyIt+is/was+n.oneshope+clause/(forsb.)todosth.anhonoursaidItis/wasp.p.known+that-clausebelieved形式主语形式主语高考再现高考再现Janewaswalkingroundthedepartmentstores.Sherememberedhowdifficult_31_wastochooseasuitableChristmaspresentforherfather.(2009年广东高考语法填空题年广东高考语法填空题)it 2.形式宾语2)Ithinkitnousecryingoverspiltmilk.3)Ibelieveitamazingthathemadesuchamistake.1)Ifinditeasiertosaythantodo.模仿造句2.我认为像那样说话是很傻的。我认为像那样说话是很傻的。3.我想上课时记笔记是必要的。我想上课时记笔记是必要的。1.我觉得和你聊天很好。我觉得和你聊天很好。2)Ithinkitfoolishtalkinglikethat.3)Ibelieveitnecessarythatweshouldtakenotesinclass.1)Ifinditgoodtochatwithyou.代替代替todosth./doingsth./thatclause形式宾语形式宾语动词+it+形容形容词/名名词+（forsb）todo/doing+that从句从句think,believe,consider,feel,make,findharduselessimportantnecessarynatural/essentialnouse/nogood/awasteoftime/ourdutyit作形式宾语的特殊句型结构动词结构动词+it+if/that/when动词有喜欢类：动词有喜欢类：enjoy,like,appreciate,prefer 讨厌类：讨厌类：hate,dislike如果你能给我这个机会我将不胜感激。如果你能给我这个机会我将不胜感激。I would appreciate it if you can offer me the chance.I like it when my mother is happy.I hate it when people talk with their mouths full.He took it for granted that he would pass the exam.Dont depend/rely on it that he will arrive on time.I owed it to Tom that I found the job I wanted.想当然地认为指望把什么归功于某人3.强调句(emphatic sentence)结构：结构：Itis(was)+被强调部分被强调部分+that/who+句子其它成分句子其它成分ItwasIthat/whosawTomyesterdayhereItwasTomthat/whoIsawyesterdayhereItwasyesterdaythatIsawTomhereItwasherethatIsawTomyesterday结论：结论：强调句中，当去掉强调句中，当去掉itis(was).that/who后，句后，句子仍然完整。子仍然完整。IsawTomyesterdayhere.Itwasfiveoclock_Igothome.Itwasatfiveoclock_Igothome.whenthatAthatBwhenIt was not until she took off her dark glasses that I realized she was a famous film star.Itisnotuntil+that.直到直到才才请指出下列句子的强调部分：1.It was _ the old worker came that we _ the experiment.A.until;didnt begin B.not until;beganC.until began D.not until;didnt begin 2.It is I _ singing in the garden.A.who are B.who is C.that am D.that isChoose the best answer.3.Is it in the factory _ this type of cars are produced?A.which B.where C.that D./4.Is it the factory_ this type of cars are produced?A.which B.where C.that D./T特殊句式特殊句式.1.Itistime(abouttime，hightime)that.该句型中句型中that后的从句后的从句应该用虚用虚拟语气，气，值得注意的是得注意的是常用常用过去去时态表示虚表示虚拟有有时也用也用should+动词原形，原形，should不能省，常不能省，常译为是（正是）的是（正是）的时侯侯Itistimethatchildrenshouldgotobed.=Itistimethatchildrenwenttobed.2.Itisthefirst(second.)timethatsbhas/havedonesthItwasthefirsttimethatsbhaddonesthItisthefirsttimeIhavebeenhere.=ThisisthefirsttimeIhavebeenhere.3.Itis.since.。该该句型主要用作句型主要用作处处理瞬理瞬间动词间动词的完成的完成时时，又要和表，又要和表示一段示一段时间时间的的时间时间状状语连语连用的用的问题问题，主句中是，主句中是时间时间作表作表语语，其，其时态时态是是现现在在时时或完成或完成时时，since引引导导的的从句通常是一般从句通常是一般过过去去时态时态，而且是瞬，而且是瞬间动词间动词。如果。如果主句是一般主句是一般过过去去时时，从句，从句则则用用过过去完成去完成时时。Itis(hasbeen)5yearssincehisfatherdied.4.Itis.when.。该该句型中的句型中的when引引导导的是一个的是一个时间时间状状语语从句，主句中的从句，主句中的it指指时间时间，表表语语由具体的由具体的时间时间充当，常充当，常译为译为当的当的时时候，是候，是Itwas5oclockwhenhecamehere.5.Itbe.before.该该句型主句中的句型主句中的it指指时间时间，主句中的主句中的时态时态常是将来一般常是将来一般时时或或过过去去时时两种两种时态时态主句中的表主句中的表语语多是多是long，notlong，3days，2weeks等表示等表示时间时间段的段的词词或短或短语语，常常译为译为“没没过多久多久才才”。否定。否定为“没多久。就没多久。就”Itwas3daysbeforehewenttoBeijing.Itwillbenotlongbeforehefinisheshisjob.It be.time that.It be the 1st/2nd.time thatIt be.since.It be.before.It be.when.Groupwork-Fillinthe blanks with correct form 四 易易混混的的五五种种时时间间句句型型It is high time that we _(study)hard.It is about time that we _(study)hard.It is the first time that I _(visit)your school.It was the last time that I _(help)you.It _(be)two years since his father died.It is seven years since I_(work)in the factory.It _(be)half a year before we leave the school.It was long before he _(come)back.It is 6 p.m._she goes home from school every day.It is at 6 p.m._she goes home from school every day.should study/studiedshould study/studiedhave visitedhad helpedis /has beenworkedwill becamethat or when?whenthat6.Ittakessb.todosth.IttookthousandsofpeoplemanyyearstobuildtheGreatWall.口诀：代词 it 本意它,既可指这又指那;时间天气均可指,谈到距离也用它;假主假宾均可做,强调句型跟that。Summary8.It is likely that he will succeed.1.It rains heavily(It is a rainy day).2.2.It is 20 kilometers from Grandads house to James.3.It is December 17,2009.4.It is 9 oclock in the morning.5.Itll be lovely in the garden tonight7.It is no good smoking.真正主语真正主语真正主语真正主语形式主语形式主语形式主语形式主语真正主语真正主语形式主语形式主语Discovering“It”=_ is bad.To smoke=_ is no good.Smoking=_ is likely.That he will succeed6.It is bad to smoke.天气天气距离距离日期日期时间时间环境环境1._（重要的）（重要的）toknowyourownlimitations.Pratice makes perfect.2._（据报道）（据报道）itiscoldertomorrow.ItisimportantItisreportedthat3._（没关系）（没关系）whetherhewillcomeornot.Itdoesntmatter4._（无害）（无害）doingsomesportsproperly.ItisnoharmItwasyesterdaythat5._（就在昨天）（就在昨天）Imetyourfatherinthestreet.6._（碰巧）（碰巧）thattheharvestwasbadthatyear.10._（似乎）（似乎）thatsomeyoungpeoplethinktheylookattractivewhentheysmoke.Ithappened7.Itwas_（直到）（直到）mymothercamebackthatI_（上床睡觉）（上床睡觉）.notuntilwenttobed8._（可惜）（可惜）thatheshouldnotgototheuniversity.Itisapity9._（由你做决定）（由你做决定）totravalinBeijing.ItisuptoyouItseamsPratice makes perfect.GroupWork&WritingT假设你是李华，最近你最好的朋友夏洛又假设你是李华，最近你最好的朋友夏洛又烦恼了，因为他上周在厕所抽烟被烦恼了，因为他上周在厕所抽烟被“抖爷抖爷”抓住了，抓住了，这已经是第二次了这已经是第二次了。请你写封。请你写封信，告诉他信，告诉他抽烟违反校规，而且有害健康抽烟违反校规，而且有害健康。是该是该他他下定决心戒烟和好好学习的时候了下定决心戒烟和好好学习的时候了。相信只要他坚持，相信只要他坚持，过不了多久他就会赶上过不了多久他就会赶上其他同学的。其他同学的。T注意：1.词数100左右。T 2.可适当增加细节，以使行文连贯。T 3.信的开头和结尾已给出，不计入总词数。尽量使用it结构DearXiaLuo,Imsorrytohearthat_YoursSincerely,LiHuaAPossibleVersionDearXiaLuo,ImsorrytohearthatyouwerecaughtsmokingcigarettesinthetoiletbyMr.Tremblinglastweek,whichaccountsforyourfeelingupsetagain.Imwritingtogiveyousomeadvice,hopingitwillbeofsomehelp.Actually,Iknowitsthesecondtimethatyouhavebeencaughtsmokingonthecampus.Inmyopinion,itdoesnogoodsmokingatyouragetoyourhealth,nottomentionitgoesagainsttheschoolrules.Whatsmore,thefinalexamapproaching,itshightimethatyoushouldmakeupyourmindtoquitsmokingaswellastostudyhard.AndImfirmlyconvincedthataslongasyoukeeponstudying,itwontbelongforyoutocatchupwithotherstudents.Ihopeyouwillrefreshyourselfsoon.Lookingforwardtoyouearlyreply.YoursSincerely,LiHua It is never too old to learn.活到老活到老,学到老。学到老。It is no use crying over spilt milk.覆水难收。覆水难收。Proverbs with“it”It is easy to open a shop but hard to keep it always open.创业容易守业难。创业容易守业难。It takes three generations to make a gentleman.十年树木十年树木,百年树人。百年树人。